Use TargetInfo target_long_bits() helper at runtime to migrate
the FSR register as 32 or 64-bits.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/migration/cpu.h |  4 ----
 target/sparc/machine.c  | 17 +++++++++++++----
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/include/migration/cpu.h b/include/migration/cpu.h
index bb8ecfbeea5..87ca977a3fd 100644
--- a/include/migration/cpu.h
+++ b/include/migration/cpu.h
@@ -8,8 +8,6 @@
 #include "migration/vmstate.h"
 
 #if TARGET_LONG_BITS == 64
-#define qemu_put_betl qemu_put_be64
-#define qemu_get_betl qemu_get_be64
 #define qemu_put_betls qemu_put_be64s
 #define qemu_get_betls qemu_get_be64s
 
@@ -21,8 +19,6 @@
     VMSTATE_UINT64_SUB_ARRAY(_f, _s, _start, _num)
 #define vmstate_info_uinttl vmstate_info_uint64
 #else
-#define qemu_put_betl qemu_put_be32
-#define qemu_get_betl qemu_get_be32
 #define qemu_put_betls qemu_put_be32s
 #define qemu_get_betls qemu_get_be32s
 
diff --git a/target/sparc/machine.c b/target/sparc/machine.c
index 4dd75aff74a..0a449f2f8c6 100644
--- a/target/sparc/machine.c
+++ b/target/sparc/machine.c
@@ -1,8 +1,10 @@
 #include "qemu/osdep.h"
 #include "cpu.h"
+#include "qemu/target-info.h"
 #include "qemu/timer.h"
 
 #include "migration/cpu.h"
+#include "migration/qemu-file-types.h"
 
 #ifdef TARGET_SPARC64
 static const VMStateDescription vmstate_cpu_timer = {
@@ -86,9 +88,13 @@ static int get_fsr(QEMUFile *f, void *opaque, size_t size,
                    const VMStateField *field)
 {
     SPARCCPU *cpu = opaque;
-    target_ulong val = qemu_get_betl(f);
 
-    cpu_put_fsr(&cpu->env, val);
+    if (target_long_bits() == 64) {
+        cpu_put_fsr(&cpu->env, qemu_get_be64(f));
+    } else {
+        cpu_put_fsr(&cpu->env, qemu_get_be32(f));
+    }
+
     return 0;
 }
 
@@ -96,9 +102,12 @@ static int put_fsr(QEMUFile *f, void *opaque, size_t size,
                    const VMStateField *field, JSONWriter *vmdesc)
 {
     SPARCCPU *cpu = opaque;
-    target_ulong val = cpu_get_fsr(&cpu->env);
 
-    qemu_put_betl(f, val);
+    if (target_long_bits() == 64) {
+        qemu_put_be64(f, cpu_get_fsr(&cpu->env));
+    } else {
+        qemu_put_be32(f, cpu_get_fsr(&cpu->env));
+    }
     return 0;
 }
 
-- 
2.53.0

On 3/25/26 2:17 PM, Philippe Mathieu-Daudé wrote:
> Use TargetInfo target_long_bits() helper at runtime to migrate
> the FSR register as 32 or 64-bits.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   include/migration/cpu.h |  4 ----
>   target/sparc/machine.c  | 17 +++++++++++++----
>   2 files changed, 13 insertions(+), 8 deletions(-)
> 

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>